Fujeenn Water Level Sensor and Alarm with Sucker: Water leak detection
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You might expect a water sensor to be a clunky, complicated gadget, but the Water Tank Sucker Water Level Sensor keeps it simple and smart. This little device monitors water levels and sniffs out leaks in everything from home aquariums to industrial tanks, giving you an early heads-up to dodge messy—and expensive—water damage.
It sticks to smooth surfaces with a trusty suction cup, no tools or fuss required. Battery-powered means it stays on duty even when the power's out. Picture it in a fish tank, quietly guarding against overflows, or tucked in a basement, ready to blare an alarm at the first sign of a leaky washer. With its straightforward design and reliable alerts, it's a small investment that pays off big in peace of mind.
- Easy installation with sucker
- Audible alarm alerts
- For aquariums and tanks
- Battery powered operation
- Water leak detection
General specs
- Brand: Fujeenn
- Seller: Joom
- Power Source: Battery
- Installation Method: Suction Cup
- Application: Aquariums, Water Tanks
- Alarm Type: Audible
- First listed by seller: 8/24/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
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Brand | Fujeenn | Wuherote | gaodaidecoe | yeetuand | Yeiiaolin | TOMTOP JMS |
Model | ||||||
Color | ||||||
Rating |
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Price | $7.58 | $7.80 | $7.80 | $7.58 | $11.81 | $11.01 |
Seller | Joom | Joom | Joom | Joom | Joom | Joom |
Update | August 17, 2025 | August 17, 2025 | August 17, 2025 | August 17, 2025 | August 17, 2025 | August 29, 2025 |
Power Source | Battery | Battery-operated | Battery | Battery | Battery operated | |
Alarm Type | Audible | Audible alarm | Audible | Audible Sound | ||
Installation | Easy, no wiring required | Standalone, Portable | Easy |
Adam R.
San Jose, CA
September 3, 2025
As an entrepreneur with a family and multiple kids, I was dealing with occasional leaks in our basement and fish tank that were becoming a hassle. Compared to what I used before, which was a more complex system that often failed, this Fujeenn sensor has been a game-changer. The packaging was intact when it arrived, and setup was a breeze—just stick it on and it starts monitoring. It seemed to me that the detection is spot-on, catching even small changes in water levels. In the few weeks I've had it, it's already alerted me to a minor leak from our washer, saving us from a bigger mess. The peace of mind it provides is invaluable, especially with kids around who might not notice these things. Overall, it's a decent mid-ranger that does its job well without any fuss. :)
- Pros: The device is incredibly simple to set up with its suction cup that sticks firmly to smooth surfaces without any tools, and it runs on batteries so it keeps working even during power outages. The alerts are reliable and loud, giving an early warning that has already helped me avoid potential water damage in my home.
- Cons: The suction cup might not hold as well on slightly rough or curved surfaces, and the battery life seems a bit short, requiring more frequent changes than I'd prefer. Also, the alarm sound, while effective, could be a tad too sharp for some environments.